Originally published in 1984. As told by Tom McAvinew. The use of ISA-5.1, Instrumentation Symbols and Identification, originally published in 1984, is in general quite widespread. That is because it ...

The purpose of this standard is to establish a uniform means of designating instruments and instrumentation systems used for measurement and control. To this end, a designation system is presented ...

It uses industry standards, especially ANSI/ISA-5.1-2009 - Instrumentation Symbols and Identification, to define and describe the symbol-based "language" that identifies measurement and control ...

Instrumentation and Control Identification System Guidelines and ISA-TR5.1.03, Instrumentation and Control Graphic Symbols Guidelines. These TRs offer examples and information on how to apply ...